Archive for the ‘Racing Bikes’ Category
December 08, 2009
Filed Under (Racing Bikes, Yamaha) by rohanbhargava
The new YZF-R125 Team Yamaha Race Replica features Born from the supersport DNA of the R-series, the YZF-R125 has R-series style and attitude. Its free-revving, liquid-cooled 4-stroke engine is fuel injected for near-instant throttle response, while a 6-speed gearbox lets you keep it in the power band. A lightweight Deltabox frame linked to a cast aluminium swinging-arm delivers class-leading handling. And, because it’s full-sized, the R125 provides a comfortable riding position. Technical overview Engine - Chassis - Dimensions -
December 06, 2009
Filed Under (Racing Bikes, Yamaha) by rohanbhargava
Technical Specifications Engine Engine type: Liquid cooled Crossplane crankshaft inline four-cylinder, four stroke Transmission Chassis and running gear
December 06, 2009
Filed Under (Racing Bikes, Yamaha) by rohanbhargava
November 30, 2009
Filed Under (Racing Bikes) by upendra singh rathore
The first mountain biking world cup series took place in 1991. Its nine-race circuit covered two continents—Europe and North America—and was sponsored by Grundig.In 2006, cross-country mountain biking events became part of the World Deaf Cycling Championships for the first time in San Francisco, USA. There are many types of mountain bike racing- Freeride - Freeride (FR) competitions are not so much a race as they are a competition of skill. Downhill- Downhill (DH) racing is a time trial event. Riders start at intervals that can vary from 30 seconds to three minutes-depending on the stage of the competition – and the rider with the lowest time wins. Cross-country -Cross-country (XCO) racing is held on a varied terrain circuit, it is normally around 6-8 kilometers (km) and is always a massed-start race. In this type of race elite, U23, and Junior Expert riders at UCI sanctioned races, are allowed technical assistance.riders in the same team can help each other at any point in the race. Super D – Super D (SD) is a blend of cross-country and downhill. Most of the race is downhill, on trails similar to the downhill segment of a cross-country race. There are also short (100–500 m) uphill sections which make the use of downhill bicycles difficult, as a result, most riders use cross-country or ‘trail bikes’. Dual Slalom/Dual – Dual Slalom (DS) is a ski-inspired event which pits two riders against each other on two identical man-made tracks side-by-side with the same jumps and berms, with a rider on each track, and the first across the line wins. Four cross -4X also replaced Dual in the UCI World Cup series in 2002. Inspired by the dual format and by BMX racing, this event pits four riders on the same course from starting gates to finish. There can only be one winner per event, so the races can quickly eliminate riders making the progression faster for a day’s events. Enduro – Enduro (ND) is a relatively new development that has its roots in Marathon mountain biking.Only one member of the team can be on the course at any one time, and it is a competition not to finish first, but to complete the greatest number of laps before the end of the event. Bike trials - Slow negotiation of man-made and natural obstacles where setting a foot down constitutes a penalty. Dirt jumping – Dirt jumping (DJ), similar to freeride, it is a competition of skill, differing that it involves the rider to jump off mounds of dirt to perform the best tricks with the best style. Stage Races – Stage Races consist of several races – ’stages’ – ridden consecutively, usually over a period of several days.
November 20, 2009
Filed Under (Racing Bikes) by upendra singh rathore
Jamis Bicycles is an American distributor of bicycles, designed in the USA and built primarily in the China and Taiwan. 2009 – Bicycling Magazine’s Editor’s Choice Award for Best Recreational Road Bike – Jamis Ventura Elite. FRAME: Reynolds 631 seamless air-hardened chromoly main tubes, double tapered heat-treated stays lost wax dropouts with eyelets. FORK: Easton EC70, carbon fiber blades, alloy steerer. HEADSET: Aheadset, alloy, 1 1/8”. WHEELSET: Easton-Velomax Vista wheelset (Mens) 20/24H and Mavic Aksium 700C wheelset (Ladies), 20/24H TIRES: Hutchinson Quartz, 700 x 23C, Kevlar. DERAILLEURS: Shimano ‘105’ SS rear, ‘105’ 28.6mm band clamp front. SHIFTERS: Shimano ‘105’ Dual Control STI, 20-speed. WEIGHT: 20.25 lbs 2009 – Bicycling Magazine’s Editor’s Choice Award for Best Recreational Road Bike – Jamis Ventura Elite.
November 19, 2009
Filed Under (Racing Bikes) by upendra singh rathore
mountain bikes usually have only a small amount of front and rear suspension and are relatively light, which is achieved via the use of lightweight materials and construction in both frame and components. As a consequence, XC bikes are often less durable than other types of mountain bikes when used outside of their intended purpose. The gear ratio chosen depends on the terrain being ridden, the strength and skill of the rider, and the size of the bike . Often single-speeds are fully rigid, steel-framed bikes. These are typically ridden by very fit individuals on mild to moderate cross country terrain. Enduro/all-mountain (AM) bikes bridge the gap between cross-country and freeride bikes, typically weighing between 14 to 16 kg.
November 19, 2009
Filed Under (Racing Bikes) by upendra singh rathore
BMX bicycles are available several distinct model types
November 17, 2009
Filed Under (Racing Bikes) by upendra singh rathore
Weight: 17.04 lbs Issue: Nov 2009 MSRP: $4499 model infinito was one eye-catching bike, with clean lines provided by internally routed cables, Bianchi’s signature celeste-green paint accented in white and black, whitewall tires and snow-white bar tape. The Bianchi name alone generates interest. Campagnolo has revived Athena as its lowest-priced 11-speeed gruppo, rendered in aluminum with carbon-wrapped levers. Its performance is nearly on par with Chorus, with the same quick, reliable shifts and the ability to dump a lot of gears with one hearty push of your thumb. The Infinito is built for racing, with a lightweight carbon frame and fork, and in fact, Robbie Hunter, then of Team Barloworld-Bianchi, rode it in the 2009 Giro d’Italia. The frame’s stiffness-to-weight ratio was increased 19 percent over Bianchi’s similar-level C2C model, and the geometry encourages a more aggro, down-in-the-drops position. But at the same time, Bianchi designed the bike for long-distance riding, with a taller head tube, slightly longer chainstays and a longer wheelbase to help with positioning and stability over many hours in the saddle. As David Reed, Bianchi USA’s vice president of marketing, says, the Infinito is targeted at riders who “want the handling of a high-performance bike, but can’t be comfortably fitted on pro-race geometry.” Kevlar K-Vid inserts at key areas, such as the stays and fork, are claimed to help absorb shock; even so, over rough roads you’ll feel the rattle. A Giro stage epitomizes the kind of ride Infinito is built for—long and fast, over a variety of terrains. Fulcrum wheels and an FSA bar and stem round out the package. If you need a more vibrant color, the Infinito also comes in red and blue; if you don’t want Athena, choose from Campagnolo Record or Shimano Ultegra. No matter what you pick, the Infinito will have you catching not only eyes but also any rider in front of you.
November 17, 2009
Filed Under (Racing Bikes) by upendra singh rathore
The balanced geometry is= nearly matching 73.5 73.6 head and seat angles on our 56cm test model, squarish cockpit (55.7cm effective top tube on our 56), and a generous wheelbase and fork offset combine to create a ride feel our most race-oriented tester termed “slightly sluggish.” For the bike’s intended customer, that’s a positive. HILLS:Given the proven performance of compact double chainrings, we thought the 1.2’s 50/39/30 triple chainring would be a demerit–triples add weight and, in general, can be more finicky to shift. But for this bike’s ideal rider, the extra gearing proved beneficial.
|
|
The technology and design of the bike is focused on providing maximum performance at the circuit.Other important technical features making a significant contribution to the performance of both the road and race bikes are the crank and pistons. These are two more areas where the racers must remain absolutely standard. But there’s much more to the YZF-R6 than its engine.The massive air induction system is another M1-derived feature, going straight through the machine’s headstock and using the inside of the frame as the air cleaner box. OverviewTechnical Specifications Engine Engine type: Liquid cooled, 4-stroke, forward inclined, parallel 4-cylinder, 16-valves, DOHC Bore and Stroke: 67.0mm x 42.5mm Displacement: 599cc Carburation: Electronic fuel injection Maximum power: Over 145ps Transmission Type: 6-speed Primary drive: Gear Clutch: Wet, multiple-disc coil spring Final drive: Chain Chassis and running gear Frame type: Aluminium die-cast Deltabox Wheelbase: 1380mm Front suspension: Fully-adjustable Öhlins inverted forks, 43mm Rear suspension: Braced aluminium swingarm with single Ohlins shock and rising-rate linkage Front/rear wheels: 120/70 16.5 inch front, 180/55 16.5 inch rear Front/rear tyres: 17.0 inch front, 17.0 inch rear, available as treaded and wet tyres Front brake: Dual floating discs, Ø 310mm Rear Brake: Single disc, Ø 210mm Weight: 158 kg (in accordance with FIM regulations) Fuel capacity: 17.3 litres
A mountain bike which is also called as MTB or ATB ( or all terrain bicycle) is a bicycle created and made for off-road cycling, including jumps, and traversing of rocks and , and steep declines, on dirt trails, logging roads, usually called mountain biking.
A BMX bike or BMX is the name of a popular bicycle which is used for both casual use and sport.BMX bike frames are made of various types of steel, and (largely in the racing category) aluminum. Cheaper, low end bikes are usually made of steel. Mid range bikes are mostly chromoly or hi tensile steel, which are about the same in weight and strength. High-performance BMX bikes use 4130 chromoly, or generation 3 chromoly.BMX Racing bike wheels vary in size, from 18″ to 26″ (with 20″ being the most popular).As a form of leisure activity or sport BMX has become popular. Enthusiastic people, especially children and teenagers will often attend BMX and skate parks and centres and sometimes compete in organised competitions. One form of BMX biking is Freestyle BMX.
